| RefNo | RB/1/10/15 |
| Previous numbers | BP 10, fols. 17-18 |
| Level | Item |
| Title | Fragment of original version of 'Usefulness'. |
| Date | Early 1660s |
| Description | Perhaps the peroration of original version of the work, paginated 167-8.\r\nHand: D |
| Language | English |
| Extent | Fols. 17-18 (2 leaves) |
| Format | Manuscript |
| AccessStatus | Open |
| RelatedMaterial | Published in 'Works', vol. 13, pp. 310-11. |